html,body{
	width: 100%;
	height: 100%;
}
#box,.swiper-box,.swiper-wrapper,.swiper-slide{
	width: 100%; 
	height: 100%;
}
#box{
	background: url(../images/lyh-w1.jpg);
	background-size: 100% 100%;
}	
.swiper-slide{
	position: relative;
}
.page1{
	background: url(../images/lyh-w2.jpeg);
	background-size: 100% 100%;
}
.page2{
	background: url(../images/lyh-w3.jpeg);
	background-size: 100% 100%;
}
.page3{
	background: url(../images/lyh-w4.jpg);
	background-size: 100% 100%;
}
.page3 .btn{
	width: 7.4rem;
	height: 2.3rem;
	background: #fff;
	color: #fec107;
	border: 0;
	border-radius: 0.5rem;
	font-size: 0.9rem;
	font-family: "微软雅黑";
	position: absolute;
	bottom: 3.67rem;
	left: 4.42rem;
}
